Pomphus zielinskii sp. nov. from Namibia (Coleoptera: Curculionidae: Entiminae) : results of the Entomological Expeditions of the Museum of Natural History Berlin to Africa (72nd Contribution)

4 Pages·2001·2.5 MB·English

by  Kania, Jarosław Maciej

A N N A L E S Z O O L O G I C I (Warszawa), 2001, 51(1): 85-88
POMPHUS ILNKISZEISIP. NOV. FROM NAMIBIA
(COLEOPTERA: CURCULIONIDAE: ENTIMINAE). RESULTS
OF THE ENTOMOLOGICAL EXPEDITIONS OF THE MUSEUM
OF NATURAL HISTORY BERLIN TO AFRICA
(72ND CONTRIBUTION).
Jarosław Kania
Instytut Zoologiczny Uniwersytetu Wrocławskiego, Sienkiewicza 21, 50-335 Wrocław,
Poland, e-maił: [email protected]. wroc.pl
Abstract.— Pomphus zielinskii sp. nov. from Namibia is described and figured. An identi­
fication key to all known species of the genus Pomphus Marshall, 1919 is provided.
Key words.— Entomology, Coleoptera, Curculionidae, Pomphus zielinskii sp. nov., taxono­
my, Afrotropical Region.
The genus Pomphus Marshall, 1919 (type species: Body elongatedly oval (Fig. 1), black, tibiae and femo­
Strophosomus kirschi Faust, 1885) was revised a few ra dark brown, tarsi and antennae red-brown; very
years ago (Kania 1995). Out of the original four species densely covered with adhering scales and erect setae.
classified in the genus, one was transferred to the genus Adhering scales round or oval, contacting or deli­
Protostrophus Marshall, 1919 (Protostrophus bemardi cately tile-like overlapping (Fig. 3). On head and prono-
Kania, 1995, originally described as Pomphus acuticollis tum characteristic scales, distinctly impressed in middle
Marshall, 1923, non Protostrophus acuticollis (Marshall, (Fig. 4), on elytra scales clearly less impressed. A large
1906)), and another to the genus Brady bam,on Marshall, part of body with nearly uniformly brown scales, or
1919 (at present# stappersi (Hustache, 1924)). Recently, scales light, with pearly sheen and light brown, grouped
thanks to the kindness of Dr. M. UhligI have had an oppor­ in fine, irregular spots. Rusty or pink scales, clearly con­
tunity to examine a part of the material collected during trasting with the remaining scales, form a fairly uniform
expeditions of German entomologists to South Africa (see streak along whole interval 1, and an individually vari­
also Koch, Deckert and Uhlig M. 1995, Uhlig and Jaeger able spot beyond half length of elytra, on intervals 4-6.
1995). In the collection there are four specimens of a new Erect setae long, somewhat longer than or equal to inter­
species of Pomphus which I describe below. At present val width, fairly thick, somewhat bent, apically tapered.
the genus includes P. kirschi (Faust, 1885),/! denticollis The longest setae are located beyond half length of ely­
Marshall, 1919 and P. zielinskii sp. nov. tra, clearly shorter setae (by V3-V2) on head and prono-
tum. On elytra setae arranged in single rows on inter­
Pomphus zielinskii sp. nov. vals. Setae are white or light brown, often their colour
similar to that of the surrounding scales.
Etymology. The species is dedicated to the top Rostrum in male 1.58-1.93X, in female 1.52-1.62X
Polish basketball player, Maciej Zieliński. wider at base than long, apically narrowed, in male
Diagnosis. The new species differs from the remaining 1.45-1.50 x, in female 1.39-1.54 x wider at base than at
two congeners in smaller and narrower body (lengthAvidth apex, separated from head by a transverse groove bent
2.95-3.47/1.60-1.90 mm, vs. 3.60-4.40/2.17-2.80 mm in P. posterad (Figs 1-2). Median costa on rostrum extending
kirschi and 4.90/1.97 mm in P. denticollis), poorly convex from transverse groove to epinotum, at base of rostrum
eyes, a characteristic subocular tuft of protruding scales tubercle like thickened, well visible only when scales
(absent from both congeners), and narrower tarsi, with have been removed. Between median costa and lateral
terminal segment 3.0x longer than third (at most 2.3x in margins of rostrum longitudinal concavities. On frons
congeners). narrow median groove, deepest at half its length, extend­
Description. Male body length: 2.95-3.30 mm, width ing from transverse groove nearly to anterior margin of
1.60-1.80 mm; female body length 3.25-3.47 mm, width pronotum. On rostrum and head no paramedian grooves.
1.80-1.90 mm. Sides of head behind eyes sloping. Back of head behind
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86 J. 64
Figures 1-6. Pomphiis zielinskii sp. nov. (1) Body in dorsal view, (2) head and pronotum in lateral view, (3) scales on elytra, (4) scales on pronotuim,
(5) antenna, (6) fore tarsus.
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POMPHUS ZIELINSKII SP. NOV. FROM NAMIBIA
Figures 7-13. Pomphus zielinskii sp. nov. (7) Ventral, (8) lateral and (10) dorsal views of aedeagus, (9) spiculum gastrale, (11) sternite VIII,
(12) spermatheca, (13) female reproductive system (general structure diagrammatic).
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88 J. Kania
eyes clearly, sharply narrowed. Eyes delicately convex, Key to species
in side view kidney-shaped (Fig. 2). Between lower mar­ figures marked with asterisk are those from Kania (1995)
gin of eye and upper margin of antennal scrobe a tuber­
1. Below eye a tuft of wide scales protruding laterally.
cular thickening; in consequence eyes in top view not
Eyes delicately convex (Pig's 1,2). Tarsi very narrow,
protruding from head outline. Eyes from above fringed
long; fourth segment 3x longer than third (Pig. 6) . . .
with a row of fairly densely arranged, erect setae, below
.........................................Pomphus zielinskii sp. nov.
eyes a tuft of setae protruding laterally (Figs 1-2).
-. Below eye no protruding scales. Eyes distinctly con­
Antennal scrobe delicately bent downwards, its upper
vex, nearly conical (Figs 1*, 15*, 16*). Tarsi rather
margin passes, somewhat below and behind eye, in a
long, narrow; fourth segment 2.1-2.3 x longer than
ridge visible from above as a margin of constriction of
third (Figs 3*, 4*, 21*, 22*) ...........................................2
posterior part of head (Fig. 2).
2. Pronotum strongly constricted behind the anterior mar­
Antennae short, scape reaching backwards to poste­
gin and anterior to the base; its anterior and posterior
rior margin of eye. Segment 1 of flagellum massive, other
angles produced laterally (Figs 14*, 15*). Paramedian
segments fine, increasingly wider; terminal segments,
furrow on the rostrum reaches almost the rostrum
like club, asymmetrical (Fig. 5).
apex (Pig. 16*) ...............Pomphus denticollis Mshl.
Pronotum in male 1.63-1.79 x, in female 1.85-1.88 x
-. Pronotum delicately constricted behind its anterior
wider than long, clearly rounded on sides, not constrict­
margin, no trace of constriction at the base; anterior
ed behind anterior margin or at base; its median groove
angles delicately laterally produced, posterior angles
extends nearly from base to half length. Anterior margin
rounded (Fig. 13*). Paramedian furrow on the ros­
delicately but distinctly emarginate in middle (Fig. 1).
trum does not reach half rostrum length (Fig. 1*) .. .
Anterior and posterior pronotal angles clearly rounded.
............................................... Pomphus kirschi (Fst.)
Scutellum invisible.
Elytra oval, widest at half length, in male 1.28-1.30x,
in female 1.26-1.30x longer than their maximum width, Acknowledgements
delicately convex, on sides slightly rounded, at base not
I am grateful to Dr. Manfred Uhlig, Dr. Hella Wendt
constricted. Intervals wide, delicately convex. Striae with
and Dr. Bernd Jaeger for their hospitality during my 1999
fine punctures, 1.5-2.5 puncture diameter apart. Striae,
visit to Museum of Natural History Berlin and for creat­
like intervals, completely covered by scales (Fig. 3).
ing excellent working conditions.
Legs fairly short, fore tibia in male 1.00-1.04 x, in
female 1.07-1.12 x longer than pronotum. Apices of all
tibiae with a row of short, light brown spines. Tarsi very References
narrow (Pig. 6). Fourth tarsal segment strongly elongate
Kania, -J. 1995. Revision of the genus Pomphus Marshall, 1919
(claws excluded), only by 1/4 shorter than the first three
(Coleoptera: Curculionidae: Brachyderinae) Genus, Wroclaw,
segments. 6(2): 115-127.
Genitalia as in Figs 7-13. Koch, E, Deckert. J. and M. Uhlig. 1995. Die entomologischen Afrika-
Types. Holotype (male), “Namibia 19.xii. 1993, Expeditionen des Museums fiir Naturkunde Berlin von 1992 bis
1995 als Grundlage fiir Forschungsprojekt “Zur Biodiversitat von
20°30’S/17o14’E, WaterbergNP: Camp: Bernabe de la Bat,
Insekten in der afrotropischen Region”. Mitteilungen aus dem
leg. 4. Deckcrt” (Museum of Natural History Berlin,
Zoolologischen Museum in Berlin, 71, 2: 189-211.
Germany). Paratypes: two females with labels like the Uhlig, M. and B. Jaeger. 1995. Zur Erforschung der Kaferfauna der
holotype (Museum of Natural History Berlin, Germany); afrotropischen Region durch das Museum fiir Naturkunde Berlin
mit einem Uberblick iiber die coleopterologischen Ergebnisse
male, “Namibia: Distr. Grootfontein, leg. J. Irish (UG),
der ersten Expedition des Museums fiir Naturkunde Berlin und
Farm [? illegible] Rooiwal, 19°51,S/18°02’E, Anfang IV.
des State Museum Windhoek in Namibia. Mitteilungen aus dem
1989” (author’s coll.). Zoolologischen Museum in Berlin, 71, 2: 213-245.
Received: February 1, 2001
Accepted: February 26, 2001
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